O29 - Complications of anesthesia during pregnancy
O29.9 - Unspecified complication of anesthesia during pregnancy
O29.90 - Unspecified complication of anesthesia during pregnancy, unspecified trimester
O29.91 - Unspecified complication of anesthesia during pregnancy, first trimester
O29.92 - Unspecified complication of anesthesia during pregnancy, second trimester
O29.93 - Unspecified complication of anesthesia during pregnancy, third trimester